At the very dawn of modern medicine, 2500 years ago, Hippocrates made its most important and robust finding: 1/3 of patients get better without treatment; 1/3 don't get better even with treatment; and only 1/3 actually benefit from treatment.

Much of science, medicine, mathematics, theater, music and art come to us from ancient Greece, representing the highest of human virtues. This fascinating world of Gods, majestic temples, and stunning antiquities will be the experience of a lifetime.

The No. 1 risk factor for a second stroke is simply having had a stroke. The really frightening part is that a second stroke is 16 times more likely to be fatal. Of course, without knowing what caused that first stroke, it's tougher to prevent a second stroke.

As he stacks up dozens of empty baking trays in the back of his van after another morning round of helping to feed refugees, one thing is certain: the "Baker in Kos" clearly remembers from where he came.